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December 23, 2019 10:54
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R2D2
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| let calculateChk = (buff) => { | |
| let ret = 0x00; | |
| for (let i = 0 ; i < buff.length ; i++) { | |
| ret += buff[i]; | |
| } | |
| ret = ret & 255; | |
| return (ret ^ 255); | |
| } |
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